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P4SMA250A

Public Made by Adom

by adom

Littelfuse Electrostatic And Surge Protection (TVS/ESD), DO-214AC(SMA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componenttvs-fuse-board level protectionp4sma250afactory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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P4SMA250A

Littelfuse · Electrostatic And Surge Protection (TVS/ESD) · DO-214AC(SMA)

P4SMA250A from Littelfuse, in a DO-214AC(SMA). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package DO-214AC(SMA)
Category TVS/Fuse/Board Level Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Breakdown Voltage (min) @ IT VBR 237 V IT = 1 mA 2
Breakdown Voltage (max) @ IT VBR 263 V IT = 1 mA 2
Maximum Clamping Voltage VC 344 V @ Ipp = 1.2 A 2
Maximum Peak Pulse Current Ipp 1.2 A 2
Maximum Reverse Leakage Current IR 1 µA @ VR 2
Maximum Temperature Coefficient of VBR 0.11 %/C 2
Maximum Instantaneous Forward Voltage VF 3.5 V at 25A for Unidirectional Only (Note 4); single die parts 1
Reverse Stand-off Voltage VR 214 V 2
Peak Pulse Power Dissipation (single die), 10/1000us waveform PPPM 400 W at TA=25°C by 10/1000us Waveform (Fig.2) (Note 1), (Note 2); Single Die Parts 1
Power Dissipation on Infinite Heat Sink PD 3.3 W at TL=50°C 1
Peak Forward Surge Current IFSM 60 A 8.3ms Single Half Sine Wave (Note 3) 1
Operating Temperature Range TJ -65 150 °C 1
Storage Temperature Range TSTG -65 175 °C 1
Typical Thermal Resistance Junction to Lead RθJL 30 °C/W 1
Typical Thermal Resistance Junction to Ambient RθJA 120 °C/W 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Matte tin lead-free Plated • Halogen-free and RoHS 1

CAD (KiCad official)

  • Symbol: P4SMA250A
  • Footprint: Diode_SMD:D_SMA
  • 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
  • 3D model files: p4sma250a-etched.step / p4sma250a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p4sma250a.step / p4sma250a.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Littelfuse datasheet (6 pp, sha256 52be5822237f1b93, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF